Electrons in Atoms. Models of the Atom OBJECTIVE: l Summarize the development of atomic theory.
Have 1 Periodic Table per group!. The mass number.
Atomic Theory Agenda Review Elements What do you know about the atom? (whiteboard review) Song – Atomic Theory Polka Reading 4.2 & 4.3 Notes.
Atomic Structure. Atomic Theory Democritus (460-370 B.C.) –Greek philosopher –Democritus proposed that the world is made up of empty space and tiny particles.
Match the following people with their contributions to atomic theory? ___1. Law of Conservation of MassA. Bohr ___2. The discovery of the electronB. Rutheford.
Atoms History of Atomic Discovery— Models over Time.
